The Blackhawk S.T.R.I.K.E. Gen 4 MOLLE System - Frag Grenade Single Pouch will accept all MOLLE compatible pouches/pockets. The S.T.R.I.K.E. GEN-4 was a collaborated effort between the Blackhawk Research and Development Team and numerous Elite Special Warfare Units. Whether you're an Infantryman on the front line or a SpecWar Operator deep inside enemy territory, this is the only system you will need.